Problem:
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My packages are up-to-date as of 5:00pm PST on Jan 22/2009 (via apt-get dist-upgrade). When KVM tries to boot the supplied kernel, the guest kernel hangs on "[ 4.520000] ...trying to set up timer as Virtual Wire IRQ...", while the KVM process takes up 100% of the CPU on the guest. I've let it spin for 30 minutes but no progress is made. Information that may be useful: KVM version 79 does not have this problem on the same host using the same guest kernel (uninstall v82, install v79, problem goes away), problem is the same on jaunty desktop with KVM v82 and kernel 2.6.28-4-generic, problem is the same when using kernel supplied by package linux-image-virtual.